Swinging door hinge unit

• US 3,328,832 A
• Filed: 02/11/1965
• Issued: 07/04/1967
• Est. Priority Date: 10/19/1964
• Status: Expired due to Term

• Current Assignee: Frederic W. Leach, Sherwood L. Simpson
• Original Assignee: Frederic W. Leach, Sherwood L. Simpson
• Inventors: Simpson, Sherwood L., Leach, Frederic W.
• Application Number:
  US04/431,933
• Time in Patent Office: 873 Days
• US Class Current: 16/249
• CPC Class Codes: E05D 3/06 with two or more pins E05D7/08 takes precedence
• CPC Class Codes: E05D 7/081 the pivot axis of the wing being situated near one edge of the wing, especially at the top and bottom, e.g. trunnions
• CPC Class Codes: E05Y 2900/132 Doors

Claims

1. A SWINGING DOOR HINGE UNIT INCLUDING A MOUNTING BRACKET ADAPTED FOR ATTACHMENT TO A RIGID SUPPORT AND HAVING AN ARM EXTENDING THEREFROM FOR DISPOSAL IN UNDERLYING RELATION TO THE PATH OF SWINGING MOVEMENT OF A DOOR WITH WHICH SAID UNIT IS TO BE OPERATIVELY ASSOCIATED SAID ARM HAVING OPPOSITE EDGES THEREOF DEFINED BY A SUCCESSION OF TEETH, A PIVOT BEARING MEMBER HAVING A PAIR OF DOWNWARDLY EXTENDING WALLS HAVING STRADDLING ENGAGEMENT WITH SAID OPPOSITE EDGES OF THE ARM, SAID WALLS OF THE BEARING MEMBER PRESENTING FIRST SURFACE PORTIONS FACING SAID EDGES OF THE ARM WHICH HAVE SLIDING ENGAGEMENT WITH THE CRESTS OF THE TEETH OF SAID ARM, AND PRESENTING SECOND SURFACE PORTIONS ABOVE SAID FIRST SURFACE PORTION WHICH HAVE INTERMESHING ENGAGEMENT WITH SAID TEETH OF SAID ARM WHEREBY SAID PIVOT MEMBER MAY BE LOCKED IN A SELECTED POSITION ALONG A LINE OF TRAVEL DEFINED BY SAID OPPOSITE EDGES OF THE ARM WHEN SAID PIVOT MEMBER IS IN A LOWERED POSITION WHEREIN SAID SECOND SURFACE PORTION OF THE WALLS OF SAID PIVOT MEMBER HAS INTERMESHING RELATION WITH THE TEETH OF SAID ARM AND IS FREE TO BE SHIFTED TO A DIFFERENT POSITION ALONG SAID LINE OF TRAVEL WHEN SAID PIVOT MEMBER IS IN A LIFTED POSITION WHEREIN SAID FIRST SURFACE PORTION OF THE WALLS OF SAID PIVOT MEMBER HAS SLIDING ENGAGEMENT WITH SAID TEETH OF THE ARM.